생성자

package com.study.javastudy.study;

public class Car {
    //타입 필드명
    String name;
    int number;

    public Car(String n) {
        name = n;
    }
}

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package com.study.javastudy.study;

public class CarExam2 {
    public static void main(String[] args) {
        //Car c1 = new Car(); // 오류
        Car c2 = new Car("소방차");
        Car c3 = new Car("구급차");

        System.out.println(c2.name);
    }
}